<% content_for :css do %>
  <%= stylesheet_link_tag 'new_or_edit' %>
<% end %>
<%= form_for @material, 
      :html => {
        :id => :sf_form
      } do |f| %>
<div class='form'>
  <div class='top'>
    <div class='title corner'>
      编辑材质 Edit!
    </div>
  </div>
  <%= render :partial => 'form.html', :locals => { :f => f}  %>
</div>    
<% end %>  